258889239

素因数分解:

$3^2\times 7^1\times {\mathrm{829}}^1\times {\mathrm{4957}}^1$

素因数の和:5799

約数の個数: 24

約数和(自身を含む): 427974560

約数和(自身を除く): 169085321

約数列:

[1, 3, 7, 9, 21, 63, 829, 2487, 4957, 5803, 7461, 14871, 17409, 34699, 44613, 52227, 104097, 312291, 4109353, 12328059, 28765471, 36984177, 86296413, 258889239]

約数ペア:

[(1, 258889239), (3, 86296413), (7, 36984177), (9, 28765471), (21, 12328059), (63, 4109353), (829, 312291), (2487, 104097), (4957, 52227), (5803, 44613), (7461, 34699), (14871, 17409)]